A Block Theme Template Part that provides a Query Loop block with locked Post Title and Feature Image blocks.

query-loop-locked.html

<!-- wp:query {"queryId":1,"query":{"offset":0,"postType":"post","categoryIds":[],"tagIds":[],"order":"desc","orderBy":"date","author":"","search":"","sticky":""}} -->
    <!-- wp:post-template -->
        <!-- wp:post-title {"isLink":true,"lock":{"remove":true}} /-->
        <!-- wp:post-featured-image {"isLink":true,"align":"wide","lock":{"remove":true}} /-->
        <!-- wp:post-date /-->
        <!-- wp:post-excerpt /-->
        <!-- wp:separator -->
            <hr class="wp-block-separator"/>
        <!-- /wp:separator -->
    <!-- /wp:post-template -->
<!-- /wp:query -->